public ActionResult <IEnumerable <Keep> > GetVaultKeep(int vaultId)
        {
            string             UserId = HttpContext.User.Identity.Name;
            IEnumerable <Keep> result = _vkr.GetVaultKeep(vaultId, UserId);

            if (result == null)
            {
                return(BadRequest());
            }
            return(Ok(result));
        }